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Merge pull request #2438 from mozilla/debugging-utils

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Add some debugging helpers behind a preprocessor flag
This commit is contained in:
Reuben Morais 2019-10-15 14:54:25 +00:00 committed by GitHub
commit cd2e8c8947
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 81 additions and 4 deletions
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4
native_client/ctcdecode/Makefile
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@ -33,8 +33,8 @@ bindings: clean-keep-common
bindings-debug: clean-keep-common
pip install --quiet $(PYTHON_PACKAGES) wheel==0.31.0 setuptools==39.1.0
AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) CFLAGS="$(CFLAGS) $(CXXFLAGS)" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py build_ext --debug --num_processes $(NUM_PROCESSES) $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) CFLAGS="$(CFLAGS) $(CXXFLAGS) -DDEBUG" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py build_ext --debug --num_processes $(NUM_PROCESSES) $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
$(GENERATE_DEBUG_SYMS)
find temp_build -type f -name "*.o" -delete
AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) CFLAGS="$(CFLAGS) $(CXXFLAGS)" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py bdist_wheel $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
AS=$(AS) CC=$(CC) CXX=$(CXX) LD=$(LD) CFLAGS="$(CFLAGS) $(CXXFLAGS) -DDEBUG" LDFLAGS="$(LDFLAGS_NEEDED)" $(PYTHON_PATH) $(NUMPY_INCLUDE) python ./setup.py bdist_wheel $(PYTHON_PLATFORM_NAME) $(SETUP_FLAGS)
rm -rf temp_build

2
native_client/ctcdecode/build_common.py
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@ -11,7 +11,7 @@ from multiprocessing.dummy import Pool
ARGS = ['-DKENLM_MAX_ORDER=6', '-std=c++11', '-Wno-unused-local-typedefs', '-Wno-sign-compare']
OPT_ARGS = ['-O3', '-DNDEBUG']
DBG_ARGS = ['-O0', '-g', '-UNDEBUG']
DBG_ARGS = ['-O0', '-g', '-UNDEBUG', '-DDEBUG']
INCLUDES = [
'..',

28
native_client/ctcdecode/path_trie.cpp
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@ -174,3 +174,31 @@ void PathTrie::set_dictionary(PathTrie::FstType* dictionary) {
void PathTrie::set_matcher(std::shared_ptr<fst::SortedMatcher<FstType>> matcher) {
matcher_ = matcher;
}
#ifdef DEBUG
void PathTrie::vec(std::vector<PathTrie*>& out) {
if (parent != nullptr) {
parent->vec(out);
}
out.push_back(this);
}
void PathTrie::print(const Alphabet& a) {
std::vector<PathTrie*> chain;
vec(chain);
std::string tr;
printf("characters:\t ");
for (PathTrie* el : chain) {
printf("%X ", el->character);
if (el->character != ROOT_) {
tr.append(a.StringFromLabel(el->character));
}
}
printf("\ntimesteps:\t ");
for (PathTrie* el : chain) {
printf("%d ", el->timestep);
}
printf("\n");
printf("transcript:\t %s\n", tr.c_str());
}
#endif // DEBUG

9
native_client/ctcdecode/path_trie.h
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@ -9,6 +9,10 @@
#include "fst/fstlib.h"
#ifdef DEBUG
#include "alphabet.h"
#endif
/* Trie tree for prefix storing and manipulating, with a dictionary in
* finite-state transducer for spelling correction.
*/
@ -44,6 +48,11 @@ public:
// remove current path from root
void remove();
#ifdef DEBUG
void vec(std::vector<PathTrie*>& out);
void print(const Alphabet& a);
#endif // DEBUG
float log_prob_b_prev;
float log_prob_nb_prev;
float log_prob_b_cur;

42
native_client/trie_load.cc
View File

@ -5,8 +5,13 @@
#include "ctcdecode/scorer.h"
#include "alphabet.h"
using namespace std;
#ifdef DEBUG
#include <limits>
#include <unordered_map>
#include "ctcdecode/path_trie.h"
#endif // DEBUG
using namespace std;
int main(int argc, char** argv)
{
@ -22,5 +27,40 @@ int main(int argc, char** argv)
return err;
}
Scorer scorer;
#ifndef DEBUG
return scorer.init(0.0, 0.0, kenlm_path, trie_path, alphabet);
#else
// Print some info about the FST
using FstType = fst::ConstFst<fst::StdArc>;
auto dict = scorer.dictionary.get();
struct state_info {
int range_min = std::numeric_limits<int>::max();
int range_max = std::numeric_limits<int>::min();
};
auto print_states_from = [&](int i) {
std::unordered_map<int, state_info> sinfo;
for (fst::ArcIterator<FstType> aiter(*dict, i); !aiter.Done(); aiter.Next()) {
const fst::StdArc& arc = aiter.Value();
sinfo[arc.nextstate].range_min = std::min(sinfo[arc.nextstate].range_min, arc.ilabel-1);
sinfo[arc.nextstate].range_max = std::max(sinfo[arc.nextstate].range_max, arc.ilabel-1);
}
for (auto it = sinfo.begin(); it != sinfo.end(); ++it) {
state_info s = it->second;
printf("%d -> state %d (chars 0x%X - 0x%X, '%c' - '%c')\n", i, it->first, (unsigned int)s.range_min, (unsigned int)s.range_max, (char)s.range_min, (char)s.range_max);
}
};
print_states_from(0);
// for (int i = 1; i < 10; ++i) {
// print_states_from(i);
// }
#endif // DEBUG
return 0;
}